CN206446707U - A kind of balance car controlling organization based on car bar - Google Patents

Abstract

The utility model discloses a kind of balance car controlling organization based on car bar.The balance car controlling organization based on car bar includes connection car bar in the middle of handlebar, the handlebar；The car bar bottom connection body；The car bar is being provided with the rotation section of cylinder with car body junction；The rotation section both sides are respectively provided with a pressing plate；Accordingly, the car bar is provided with the hole being adapted to rotation section and pressing plate；The each pressing plate of described hole correspondence is respectively provided with a pair of pressure sensors；The control device of vehicle wheel rotation in the balance car provided with being coupled with pressure sensor, for controlling balance car.The utility model is simple and reliable, be controllable balance car without mechanical structure.

Description

A kind of balance car controlling organization based on car bar

Technical field

The utility model is related to balance car control field, in particular, is related to a kind of balance car control based on car bar Mechanism.

Background technology

Electrodynamic balance car, is called balance car, thinking car, and its operation principles is mainly built upon one kind and is referred to as " dynamically surely In general principle calmly ", using the gyroscope and acceleration transducer of vehicle body, to detect the change of vehicle body attitude, utilize Servo-control system, accurately motor be adjusted correspondingly, to keep the balance of system.

Existing electrodynamic balance car typically has two kinds, and one kind is that have an action bars on car body, and user stands electronic Action bars is operated on the foot platform of balance car, so as to advance, retreat and stop, such control is also referred to as " manual control ". Another is that car body is made up of two parts, mutual rotation is realized by rotating mechanism between left half and right half, so as to realize " foot control ".

Conventional balanced car needs to keep vehicle balance by the control of driver in the process of moving completely, due to vehicle Balance itself can not be maintained, once driver's disequilibrium during traveling, just extremely easily causes danger, even meeting when serious Cause traffic accident.

The B of patent document CN 102774453 disclosed a kind of intelligent balance car system on May 20th, 2015.It passes through Sensor is set to control balance car car to write at handlebar two ends.But required precision and software algorithm of the which to sensor will Ask high, the possibility for not possessing practicality substantially.

Utility model content

Technical problem to be solved in the utility model be to provide it is a kind of it is simple and reliable, without mechanical structure control based on The balance car controlling organization of car bar.

The purpose of this utility model is achieved through the following technical solutions：

According to one side of the present utility model, the utility model discloses a kind of balance car controlling organization based on car bar, Including handlebar, connection car bar in the middle of the handlebar；The car bar bottom connection body；The car bar is provided with car body junction The rotation section of cylinder；The rotation section both sides are respectively provided with a pressing plate；Accordingly, the car bar is provided with and rotation section and pressing plate The hole of adaptation；The each pressing plate of described hole correspondence is respectively provided with a pair of pressure sensors；It is provided with and is passed with pressure in the balance car Sensor coupling, the control device of vehicle wheel rotation for controlling balance car.

Further, the rotation section bottom is provided with sphere；Accordingly, described hole includes accommodating the middle hole of rotation section； Zhong Dong bottoms are provided with the match play for accommodating sphere, and Zhong Dong both sides are provided with the side hole for accommodating pressing plate；The pressure sensor is arranged on side In hole.The cooperation of sphere and match play, rotation section can both be rotated in hole, and control balance car is turned to；Can also be in hole Middle swing, realizes that balance car advances, retreats control.

Further, the pressure sensor surface is covered with rubber cushion；The rubber cushion is contacted with the pressing plate；The car body Provided with dismountable face-piece, described hole is symmetrical arranged, and half is on car body, and second half is in face-piece.Utilize rubber cushion and pressing plate Carry out contact positioning, you can two sides is all clamped by rubber cushion before and after pressing plate, can be prevented effectively from a hand wobble.Furthermore, rubber cushion can be effective The contact abrasion of pressure sensor is avoided, the pressure energy of crush board is evenly transmitted to pressure sensor, improves measurement effect.Can Dismantle face-piece to set, the cooperation of rotation section and hole can be allowed more compact, improve operating handle, also allow for follow-up maintenance.

Further, the vehicle bottom is provided with support arm, and described support arm one end is rotatably fixed with vehicle bottom, separately One end is rotatably fixed with wheel；The support arm is provided with provided with the shank that can be moved along through hole in through hole, through hole, described Vehicle bottom is additionally provided with the first positioning hole and the second positioning hole coordinated with shank, when the support arm rotates to deployed condition, The shank coordinates with the first positioning hole；When the support arm rotates to contraction state, the shank coordinates with the second positioning hole.

The technical program, can be in folded state by wheel integral-rotation to car body bottom as a result of the support arm of rotation Portion is stored, and is conducive to the space-consuming reduced under balance car folded state, using the cooperation of shank and positioning hole, Ke Yi The position for the support arm being easily found in rotary course under deployed condition and folded state, folds, deploys easy to operate.

Further, the shank includes connecting pole, the fixed column with being connected column end connection；The fixed column it is transversal Face width is more than the cross-sectional width of connecting pole；The fixed column forms the first anchor ring with connecting pole junction；Accordingly, it is described Through hole includes the first hole being adapted to connecting pole, the second hole being adapted to fixed column；First hole and the second hole Junction forms the second anchor ring；Spring is socketed with the connecting pole；The both ends of the spring passes through the first anchor ring and second respectively Anchor ring is positioned.Due to the presence of spring, shank can prop up the plane of vehicle bottom always, once rotate to the first positioning hole or The position of two positioning holes, shank is automatically inserted into the first positioning hole or the second positioning hole under spring force effect, Wu Xuren Work intervention is that can be achieved to be automatically positioned.

Further, the wheel includes wheel body and axle portion；The axle portion includes axis body, described axis body one end Wheel body is penetrated, the other end is provided with switching part；The switching part one side opposite with axis body is provided with the branch being flexibly connected with connector Support part；Supporting part is rotatably fixed with the support arm.In general, wheel shaft is all thinner, it is not easy to realized rotatable Fixed structure, can increase the contact area of spindle portion by switching part, on the one hand easily be fixed with connector, the opposing party Face contacts positioning with vehicle body side in wheel deployed condition, and stability is improved when wheel is run.

Further, the switching part is a round platform；The supporting part is fixed on the position of round platform disalignment.Supporting part Disalignment, in balance car running status, due to gravity and the left and right of human pressure, supporting part meeting nature runs to minimum Point, forms stable state location structure, now, the integrated disc portions above supporting part have more areas to be contacted with vehicle body side, so Wheel has disk positioning in vertical direction, and horizontal position is equipped with the connector support of bottom, and double side support can effectively disperse wheel Load-bearing, it is more firm durable.

Further, the support arm is provided with breach with one end that wheel shaft is fixed；The other end is curved portions；In the breach Provided with rotating shaft；It is socketed in the supporting part insertion breach with rotating shaft.This is a kind of fixed structure of specific support arm and wheel shaft, Due to the avoiding structure of breach so that whole rotational structure is all smaller, be conducive to reducing balance car volume.

Further, the vehicle bottom is provided with arc groove, and first positioning hole and the second positioning hole are set respectively At the two ends of arc groove；The vehicle bottom is additionally provided with the limiting section of arc；Wheel in a folded configuration, medial surface with it is spacing The top contact positioning in portion；The limiting section crown center site location highest, positioning is contacted for the medial surface with wheel；In Between position both sides be the inclined-plane for extending to vehicle bottom.Arc groove has guide function to shank, that is, defines whole support arm Rotating range, it is to avoid slewing area is excessive to cause wheel to be collided with miscellaneous part.By chamfered transition after wheel folding, rotate Tightened to limiting section crown center position, the wheel alignment after folding is realized by the stress tightened, without complicated buckle knot Structure, embodiment is simple, and fixed, is not afraid of slip and causes to come off.

Further, support arm one end relative with wheel is provided with fixing hole；The vehicle bottom is provided with and fixation The locating dowel of hole adaptation；The support arm is rotatably fixed by the cooperation realization of fixing hole and locating dowel with vehicle bottom.

Inventor's research finds that the sensor of prior art is arranged on handlebar two ends, vertical with the grip direction of driver, It needs to hold part conducting pressure, therefore is transmitted to the decline of pressure of sensor than more serious, and it is whole hand to conduct past The comprehensive pressure of grip, to judge the actual intention of driver needs complicated algorithm, and decomposition meter is carried out to comprehensive grip Calculate, algorithm is extremely complex.Summary reason, the technology does not obtain volume production application so far.Compared with prior art, this practicality New has the technical effect that：Using two to (four) pressure sensor, it is respectively used to detect the rotation of handlebar left and right directions and preceding Rear to wobbling action, because the Impact direction of pressure sensor is consistent with the direction of motion of car bar, as long as according to most The pressure difference of two big pressure values, and the relative position of two pressure sensors of correspondence can just drive balance car wheel to turn It is dynamic, realize that balance car turns to, accelerates and slowed down and control, significantly reduce the requirement and algorithm requirement of device.The utility model skill Art scheme is simple and reliable, and implementation cost is cheap.

Brief description of the drawings

Fig. 1 is balance car controlling organization structural representation of the utility model embodiment based on car bar；

Fig. 2 is the utility model embodiment car bar structural representation；

Fig. 3 is the front cross-sectional schematic diagram of the utility model embodiment body part；

Fig. 4 is the side profile schematic diagram of the utility model embodiment body part；

Fig. 5 is the control method schematic diagram of balance car controlling organization of the utility model embodiment based on car bar；

Fig. 6 is planar structure schematic diagram of the utility model embodiment balance car in wheel folded state；

Fig. 7 is dimensional structure diagram of the utility model embodiment balance car in wheel folded state；

Fig. 8 is planar structure schematic diagram of the utility model embodiment balance car in wheel intermediateness；

Fig. 9 is dimensional structure diagram of the utility model embodiment balance car in wheel intermediateness；

Figure 10 is planar structure schematic diagram of the utility model embodiment balance car in wheel intermediateness；

Figure 11 is dimensional structure diagram of the utility model embodiment balance car in wheel intermediateness；

Figure 12 is section decomposing schematic representations of the Figure 10 along A-A；

Figure 13 is the utility model embodiment balance car in wheel securing structure decomposing schematic representation；

Figure 14 is the utility model embodiment car wheel structure schematic diagram.

Wherein：10th, car body；11st, locating dowel；12nd, shank；121st, connecting pole；122nd, fixed column；123rd, the first anchor ring； 124th, spring；20th, arc groove；21st, the first positioning hole；22nd, the second positioning hole；30th, support arm；31st, through hole；311st, the first hole Hole；312nd, the second hole；313rd, the second anchor ring；33rd, fixing hole；34th, breach；35th, curved portions；36th, rotating shaft；40th, limiting section； 50th, wheel body；51st, wheel shaft；52nd, axis body；53rd, round platform；54th, supporting part；60th, handlebar；61st, rotation section；62nd, pressing plate；63rd, car bar； 64th, face-piece；65th, hole；651st, middle hole；652nd, match play；653rd, side hole；66th, pressure sensor；67th, rubber cushion；68th, sphere；70、 Screw；71st, installing plate；72nd, through hole.

Embodiment

The utility model discloses a kind of balance car, and the balance car includes the balance car controlling organization based on car bar.It is based on The balance car controlling organization of car bar includes connection car bar in the middle of handlebar, the handlebar；The car bar bottom connection body；The car Bar is being provided with the rotation section of cylinder with car body junction；The rotation section both sides are respectively provided with a pressing plate；Accordingly, the car Bar is provided with the hole being adapted to rotation section and pressing plate；The each pressing plate of described hole correspondence is respectively provided with a pair of pressure sensors；It is described The control device of vehicle wheel rotation in balance car provided with being coupled with pressure sensor, for controlling balance car.

According to other side of the present utility model, the utility model is also disclosed a kind of based on base described in the utility model In the control method of the balance car controlling organization of car bar, including：

Read the pressure value of two pairs of pressure sensors；

Obtain two maximum pressure values and its corresponding pressure sensor；

According to the direction driving balance car vehicle wheel rotation of the pressure difference of two maximum pressure values, and two pressure values.

Inventor's research finds that the sensor of prior art is arranged on handlebar two ends, vertical with the grip direction of driver, It needs to hold part conducting pressure, therefore is transmitted to the decline of pressure of sensor than more serious, and it is whole hand to conduct past The comprehensive pressure of grip, to judge the actual intention of driver needs complicated algorithm, and decomposition meter is carried out to comprehensive grip Calculate, algorithm is extremely complex.Summary reason, the technology does not obtain volume production application so far.Compared with prior art, this practicality New has the technical effect that：Using two to (four) pressure sensor, it is respectively used to detect the rotation of car bar left and right directions and preceding Rear to wobbling action, because the Impact direction of pressure sensor is consistent with the direction of motion of handle, as long as according to most The pressure difference of two big pressure values, and the relative position of two pressure sensors of correspondence can just drive balance car wheel to turn It is dynamic, realize that balance car turns to, accelerates and slowed down and control, significantly reduce the requirement and algorithm requirement of device.The utility model skill Art scheme is simple and reliable, and implementation cost is cheap.

In description of the present utility model, it is to be understood that term " " center ", " transverse direction ", " on ", " under ", " left side ", The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple " It is two or more.In addition, term " comprising " and its any deformation, it is intended that covering is non-exclusive to be included.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless Context clearly refers else, and otherwise singulative " one " used herein above, " one " also attempt to include plural number.Should also When understanding, term " comprising " and/or "comprising" used herein above provide stated feature, integer, step, operation, The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit, Component and/or its combination.

The utility model is described in further detail for 1-14 and preferred embodiment below in conjunction with the accompanying drawings.

According to one side of the present utility model, the utility model discloses a kind of balance car control machine based on car bar 63 Connection car bar 63 in the middle of structure, including handlebar 60, the handlebar 60；The bottom connection body of car bar 63；The car bar 63 with Rotation section 61 of the car body junction provided with cylinder；The both sides of rotation section 61 are respectively provided with a pressing plate 62；Accordingly, the car Bar 63 is provided with the hole 65 being adapted to rotation section 61 and pressing plate 62；The each pressing plate 62 of the correspondence of described hole 65 is respectively provided with a pair of pressures Force snesor 66；The control of vehicle wheel rotation in the balance car provided with being coupled with pressure sensor 66, for controlling balance car Device.

The bottom of rotation section 61 is provided with sphere 68；Accordingly, described hole 65 includes accommodating the middle hole 651 of rotation section 61；In The bottom of hole 651 is provided with the match play 652 for accommodating sphere 68, and the middle both sides of hole 651 are provided with the side hole 653 for accommodating pressing plate 62；The pressure Sensor 66 is arranged in side hole 653.The cooperation of sphere 68 and match play 652, rotation section 61 can both be rotated in hole 65, Balance car is controlled to turn to；Can also the swing in hole 65, realize balance car advance, retreat control.

The surface of pressure sensor 66 is covered with rubber cushion 67；The rubber cushion 67 is contacted with the pressing plate 62.Hole 65 has A variety of generation types.In the present embodiment, dismountable face-piece 64 can be provided with car body, hole 65 is symmetrical arranged, and half is in car body On, second half is in face-piece 64.Face-piece both sides are provided with installing plate 71；There is through hole 72 on installing plate；The car body of balance car is provided with Screw 70；By the way that first rotation section is embedded in the half hole in car body when installation；Then upper face-piece is pressed, with screw rod by face Shell is fixed on car body.Contact positioning is carried out using rubber cushion 67 and pressing plate 62, you can two sides is all pressed from both sides by rubber cushion 67 before and after pressing plate 62 Hold, a hand wobble can be prevented effectively from.Furthermore, rubber cushion 67 can be prevented effectively from the contact abrasion of pressure sensor 66, crush board 62 Pressure energy is evenly transmitted to pressure sensor 66, improves measurement effect.Detachable face-piece 64 is set, can allow rotation section 61 with The cooperation of hole 65 is more compact, improves operating handle, also allows for follow-up maintenance.

This implementation also mode also discloses a kind of balance car wheel securing structure, and the balance car includes car body 10, described The bottom of car body 10 is provided with support arm 30, and described one end of support arm 30 is rotatably fixed with the bottom of car body 10, and the other end can with wheel Rotate and fix；The support arm 30 is provided with through hole 31, through hole 31 provided with the shank 12 that can be moved along through hole 31, the car The bottom of body 10 is additionally provided with the first positioning hole 21 and the second positioning hole 22 coordinated with shank 12, and the support arm 30 rotates to expansion During state, the shank 12 coordinates with the first positioning hole 21；When the support arm 30 rotates to contraction state, the shank 12 with Second positioning hole 22 coordinates.

Shank 12 includes connecting pole 121, the fixed column 122 being connected with the end of connecting pole 121；The horizontal stroke of the fixed column 122 Cross-sectional width is more than the cross-sectional width of connecting pole 121；The fixed column 122 forms the first anchor ring with the junction of connecting pole 121 123；Accordingly, the through hole 31 includes the first hole 311 being adapted to connecting pole 121, the second hole being adapted to fixed column 122 Hole 312；The junction of first hole, 311 and second hole 312 forms the second anchor ring 313；It is socketed with the connecting pole 121 Spring 124；The two ends of spring 124 are positioned by the first anchor ring 123 and the second anchor ring 313 respectively.Due to depositing for spring 124 , shank 12 can prop up the plane of vehicle bottom always, once the position of the first positioning hole 21 or the second positioning hole 22 is rotated to, Shank 12 is automatically inserted into the first positioning hole 21 or the second positioning hole 22 under the effect of the elastic force of spring 124, without manual intervention It can be achieved to be automatically positioned.

Wheel includes wheel body 50 and the part of wheel shaft 51；The part of wheel shaft 51 includes axis body 52, and described one end of axis body 52 is worn Enter wheel body 50, the other end is provided with switching part；The switching part one side opposite with axis body 52 is provided with what is be flexibly connected with connector Supporting part 54；Supporting part 54 is rotatably fixed with the support arm 30.In general, wheel shaft 51 is all thinner, it is not easy to Rotatable fixed structure is realized, the contact area of the part of rotating shaft 36 can be increased by switching part, on the one hand easily with connection Part is fixed, and is on the other hand positioned in wheel deployed condition and the contacts side surfaces of car body 10, stability is improved when wheel is run. Switching part is a round platform 53；The supporting part 54 is fixed on the position of the disalignment of round platform 53.The disalignment of supporting part 54, flat During the car running status that weighs, due to gravity and the left and right of human pressure, the meeting nature of supporting part 54 runs to minimum point, forms stable state and determines Bit architecture, now, the integrated disc portions of the top of supporting part 54 have more areas and the contacts side surfaces of car body 10, and such wheel is vertical There is disk positioning in direction, and horizontal position is equipped with the connector support of bottom, and double side support can effectively disperse the load-bearing of wheel, more surely Gu it is durable.

The bottom of car body 10 is provided with arc groove 20, and the positioning hole 22 of the first positioning hole 21 and second is set respectively At the two ends of arc groove 20.Arc groove 20 has guide function to shank 12, that is, defines the rotation model of whole support arm 30 Enclose, it is to avoid slewing area is excessive to cause wheel to be collided with miscellaneous part.

The bottom of car body 10 is additionally provided with the limiting section 40 of arc；Wheel in a folded configuration, the top of medial surface and limiting section 40 Portion's contact positioning.Support arm 30 is provided with breach 34 with one end that wheel shaft 51 is fixed；The other end is curved portions 35；In the breach 34 Provided with rotating shaft 36；It is socketed in the insertion of supporting part 54 breach 34 with rotating shaft 36.Due to the avoiding structure of breach 34 so that whole Individual rotational structure is all smaller, is conducive to reduction balance car body 10 to accumulate.Limiting section 40 towards the side of support arm 30 be intrados, It can just be avoided when the curved portions 35 of support arm 30 are rotated.

The crown center site location highest of limiting section 40, positioning is contacted for the medial surface with wheel；Middle part both sides To extend to the inclined-plane of the bottom of car body 10.By chamfered transition after wheel folding, turn to the crown center position of limiting section 40 and stretch tight Tightly, the wheel alignment after folding is realized by the stress tightened, without complicated buckle structure, embodiment is simple, and fixed It is firm, it is not afraid of slip and causes to come off.

The one end relative with wheel of support arm 30 is provided with fixing hole 33；The bottom of car body 10 is provided with and is adapted to fixing hole 33 Locating dowel 11；Cooperation realization and car body 10 bottom of the support arm 30 by fixing hole 33 and locating dowel 11 are rotatably solid It is fixed.Locating dowel 11 can be realized using screw rod.

According to other side of the present utility model, present embodiment is also disclosed a kind of based on base described in the utility model In the control method of the balance car controlling organization of car bar, including：

S11, the pressure value for reading two pairs of pressure sensors；

S12, two pressure values and its corresponding pressure sensor for obtaining maximum；

S13, the pressure difference according to two maximum pressure values, and the direction driving balance car wheel of two pressure values turn It is dynamic.

Turned according to the direction driving balance car wheel of the pressure difference of the two of maximum absolute value pressure values, and corresponding pressure value Dynamic method substantially has following three kinds of situations.

If corresponding pressure value is in the same direction, and is respectively positioned on balance car direction of advance, control balance car slows down.When balance vehicle speed Too fast, in inertia and instinct, can pull a cart backward handle, i.e. two pressure positioned at balance car direction of advance of the both hands of driver are passed The pressure of sensor can be larger, now controls balance car to slow down, to ensure driving safety.

If corresponding pressure value is in the same direction, and is respectively positioned on balance car direction of retreat, control balance car accelerates.When driver needs When controlling the balance car to accelerate, out of habit and instinct, driver can tend to the hands stroller handle, i.e., positioned at balance car retrogressing side To the pressure of two pressure sensors can be larger, now control balance car to accelerate.

If corresponding pressure value reversely, controls balance car toward pressure value where the pressure sensor of balance car direction of advance Directional steering, and the angle for controlling to turn to according to pressure difference.Specifically, the pressure of right side direction of advance is more than buffer brake；It is left The pressure of side direction of advance is less than buffer brake；Now, two maximum pressure values of selection are respectively the pressure of right side direction of advance The pressure value of force value and left side direction of retreat, now, direction where pressure value is the pressure sensor of balance car direction of advance is Right side, now controls balance car to turn right；Conversely, control balance car turns left.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to protection domain of the present utility model.

Claims (10)

1. connection car bar in the middle of a kind of balance car controlling organization based on car bar, including handlebar, the handlebar；The car bar bottom Connection body；Characterized in that, the car bar is being provided with the rotation section of cylinder with car body junction；The rotation section both sides are each Provided with a pressing plate；Accordingly, the car bar is provided with the hole being adapted to rotation section and pressing plate；The each pressing plate of described hole correspondence It is respectively provided with a pair of pressure sensors；It is provided with and is coupled with pressure sensor, for controlling the wheel of balance car to turn in the balance car Dynamic control device.

2. the balance car controlling organization according to claim 1 based on car bar, it is characterised in that the rotation section bottom is set There is sphere；Accordingly, described hole includes accommodating the middle hole of rotation section；Zhong Dong bottoms are provided with the match play for accommodating sphere, middle hole two Side is provided with the side hole for accommodating pressing plate；The pressure sensor is arranged in the hole of side.

3. the balance car controlling organization according to claim 1 based on car bar, it is characterised in that the pressure sensor table Face is covered with rubber cushion；The rubber cushion is contacted with the pressing plate；The car body is provided with dismountable face-piece, and described hole is symmetrically set Put, half is on car body, and second half is in face-piece.

4. the balance car controlling organization according to claim 1 based on car bar, it is characterised in that the vehicle bottom is provided with Support arm, described support arm one end is rotatably fixed with vehicle bottom, and the other end is rotatably fixed with wheel；On the support arm Provided with through hole, provided with the shank that can be moved along through hole in through hole, the vehicle bottom, which is additionally provided with first coordinated with shank, to be determined Position hole and the second positioning hole, when the support arm rotates to deployed condition, the shank coordinates with the first positioning hole；The support When arm rotates to contraction state, the shank coordinates with the second positioning hole.

5. the balance car controlling organization according to claim 4 based on car bar, it is characterised in that the shank includes connection Post, the fixed column with being connected column end connection；The cross-sectional width of the fixed column is more than the cross-sectional width of connecting pole；It is described Fixed column forms the first anchor ring with connecting pole junction；Accordingly, the through hole includes the first hole being adapted to connecting pole, with Second hole of fixed column adaptation；First hole and the second hole junction form the second anchor ring；Covered on the connecting pole It is connected to spring；The both ends of the spring is positioned by the first anchor ring and the second anchor ring respectively.

6. the balance car controlling organization according to claim 4 based on car bar, it is characterised in that the wheel includes wheel body And axle portion；The axle portion includes axis body, and described axis body one end penetrates wheel body, and the other end is provided with switching part；Described turn The socket part one side opposite with axis body is provided with the supporting part being flexibly connected with connector；Supporting part is rotatably solid with the support arm It is fixed.

7. the balance car controlling organization according to claim 6 based on car bar, it is characterised in that the switching part is a circle Platform；The supporting part is fixed on the position of round platform disalignment.

8. the balance car controlling organization according to claim 7 based on car bar, it is characterised in that the support arm and wheel shaft Fixed one end is provided with breach；The other end is curved portions；Rotating shaft is provided with the breach；With turning in the supporting part insertion breach Axle is socketed.

9. the balance car controlling organization according to claim 4 based on car bar, it is characterised in that the vehicle bottom is provided with Arc groove, first positioning hole and the second positioning hole are separately positioned on the two ends of arc groove；The vehicle bottom is also set There is the limiting section of arc；In a folded configuration, the top contact of medial surface and limiting section is positioned wheel；In at the top of the limiting section Between site location highest, for wheel medial surface contact positioning；Middle part both sides are the inclined-plane for extending to vehicle bottom.

10. the balance car controlling organization according to claim 4 based on car bar, it is characterised in that the support arm and car The relative one end of wheel is provided with fixing hole；The vehicle bottom is provided with the locating dowel being adapted to fixing hole；The support arm passes through solid The cooperation realization for determining hole and locating dowel is rotatably fixed with vehicle bottom.